P25 DES-OFB
P25 DES-OFB Encrypted Agencies
206 public safety agencies across the United States use P25 DES-OFB encryption on their radio communications.
Encryption Strength: legacy
110 Police Departments
49 Sheriff Offices
10 Fire Departments
3 EMS Agencies
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About P25 DES-OFB
Legacy 56-bit DES encryption on P25 systems. While outdated by modern standards, it remains in use on older systems.
Technical Details
Data Encryption Standard in Output Feedback mode. 56-bit keys are considered cryptographically weak but require significant resources to break.
Common Usage
Legacy systems, smaller agencies that haven't upgraded
States with Most P25 DES-OFB Agencies
All P25 DES-OFB Agencies
Browse all 206 agencies using this encryption standard.
| Agency | State | County | Type | Scope |
|---|---|---|---|---|
| Arcadia Police | CA | Los Angeles | police | Fully Encrypted |
| Azusa Police | CA | Los Angeles | police | Fully Encrypted |
| Baldwin Park Police | CA | Los Angeles | police | Fully Encrypted |
| Bell Police | CA | Los Angeles | police | Fully Encrypted |
| Bell Gardens Police | CA | Los Angeles | police | Fully Encrypted |
| Beverly Hills Police | CA | Los Angeles | police | Fully Encrypted |
| Bob Hope (Hollywood-Burbank) Airport | CA | Los Angeles | airport | Tactical Only |
| Burbank Police | CA | Los Angeles | police | Fully Encrypted |
| Covina Police | CA | Los Angeles | police | Fully Encrypted |
| Downey Police | CA | Los Angeles | police | Fully Encrypted |
| Glendale Police | CA | Los Angeles | police | Fully Encrypted |
| Glendora Police | CA | Los Angeles | police | Fully Encrypted |
| Irwindale Police | CA | Los Angeles | police | Fully Encrypted |
| L.A. IMPACT Unit | CA | Los Angeles | other | Fully Encrypted |
| La Verne Police | CA | Los Angeles | police | Fully Encrypted |
| Los Angeles Police | CA | Los Angeles | police | Specific Channels |
| Los Angeles World Airports Police | CA | Los Angeles | police | Tactical Only |
| Manteca Police | CA | San Joaquin | police | Specific Channels |
| Marin County Sheriff | CA | Marin | sheriff | Fully Encrypted |
| Pasadena Police | CA | Los Angeles | police | Fully Encrypted |
| Pasadena Public Works | CA | Los Angeles | other | Fully Encrypted |
| Placer County Sheriff | CA | Placer | sheriff | Fully Encrypted |
| Pomona Police | CA | Los Angeles | police | Fully Encrypted |
| Roseville Police | CA | Placer | police | Fully Encrypted |
| San Joaquin Sheriff | CA | San Joaquin | sheriff | Fully Encrypted |
| Sutter County Sheriff | CA | Sutter | sheriff | Fully Encrypted |
| West Covina Police | CA | Los Angeles | police | Fully Encrypted |
| Hoboken Police | NJ | Hudson | police | Fully Encrypted |
| Wayne Police | NJ | Passaic | police | Fully Encrypted |
| Albion DPS | MI | Calhoun | other | Fully Encrypted |
| Alger County Sheriff | MI | Alger | sheriff | Fully Encrypted |
| Alpena County Sheriff | MI | Alpena | sheriff | Fully Encrypted |
| Ann Arbor Police | MI | Washtenaw | police | Fully Encrypted |
| Battle Creek Metro Police | MI | Calhoun | police | Fully Encrypted |
| Berrien County Police | MI | Berrien | police | Tactical Only |
| Calhoun County Sheriff Dept | MI | Calhoun | sheriff | Fully Encrypted |
| Cass County Police | MI | Cass | police | Tactical Only |
| Cass County Sheriff | MI | Cass | sheriff | Fully Encrypted |
| Cheboygan County Police | MI | Cheboygan | police | Fully Encrypted |
| Chelsea Police | MI | Washtenaw | police | Tactical Only |
| Coleman Police | MI | Midland | police | Fully Encrypted |
| Greenville Police | MI | Montcalm | police | Tactical Only |
| Houghton Sheriff/Police | MI | Houghton | sheriff | Fully Encrypted |
| Kalamazoo Fire | MI | Kalamazoo | fire | Partially Encrypted |
| Kalamazoo Police | MI | Kalamazoo | police | Fully Encrypted |
| Kalamazoo Township Police | MI | Kalamazoo | police | Fully Encrypted |
| Kellogg Community College | MI | Calhoun | university | Fully Encrypted |
| Kellogg Community College | MI | Barry | university | Fully Encrypted |
| Kent County Emergency Services Team | MI | Kent | sheriff | Fully Encrypted |
| Marshall Police | MI | Calhoun | police | Fully Encrypted |
| Mason County Sheriff | MI | Mason | sheriff | Fully Encrypted |
| Michigan State Police | MI | Statewide | police | Tactical Only |
| Milan Police | MI | Washtenaw | police | Tactical Only |
| Munroe County Sheriff | MI | Monroe | sheriff | Fully Encrypted |
| Montcalm County Sheriff | MI | Montcalm | sheriff | Tactical Only |
| Mount Pleasant Police | MI | Isabella | police | Fully Encrypted |
| MPSCS Radio Technicians | MI | Statewide | other | Partially Encrypted |
| Northfield Township Police | MI | Washtenaw | police | Tactical Only |
| Port Huron Police | MI | St. Clair | police | Fully Encrypted |
| Saline Police | MI | Washtenaw | police | Tactical Only |
| St. Clair County Sheriff | MI | St. Clair | sheriff | Fully Encrypted |
| St. Clair Shores Police | MI | Macomb | police | Fully Encrypted |
| Van Buren Township Police | MI | Wayne | police | Fully Encrypted |
| Warren Police | MI | Macomb | police | Fully Encrypted |
| Wayne County Airport Authority | MI | Wayne | airport | Fully Encrypted |
| Western Michigan State University | MI | Kalamazoo | university | Tactical Only |
| Washtenaw County Sheriff | MI | Washtenaw | sheriff | Fully Encrypted |
| Wayne County Sheriff | MI | Wayne | sheriff | Fully Encrypted |
| Ypsilanti Police | MI | Washtenaw | police | Tactical Only |
| Apopka Fire | FL | Orange | fire | Fully Encrypted |
| Apopka Police | FL | Orange | police | Fully Encrypted |
| Atlantic Beach Police | FL | Duval | police | Fully Encrypted |
| Edgewood Police | FL | Orange | police | Fully Encrypted |
| Escambia County Sheriff | FL | Escambia | sheriff | Fully Encrypted |
| Hardee County Sheriff | FL | Hardee | sheriff | Fully Encrypted |
| Maitland Police | FL | Orange | police | Fully Encrypted |
| Nassau County Sheriff | FL | Nassau | sheriff | Fully Encrypted |
| Neptune Beach Police | FL | Duval | police | Fully Encrypted |
| Ocoee Police | FL | Orange | police | Fully Encrypted |
| Orange County Sheriff's Office | FL | Orange | sheriff | Partially Encrypted |
| Orlando Fire | FL | Orange | fire | Specific Channels |
| Orlando Police | FL | Orange | police | Fully Encrypted |
| Reedy Creek Improvement District | FL | Orange/Osceola | other | Fully Encrypted |
| Tarpon Springs Police | FL | Pinellas | police | Fully Encrypted |
| University of Central Florida Police | FL | Orange | police | Fully Encrypted |
| University of North Florida Police | FL | Duval | police | Fully Encrypted |
| Winter Garden Police | FL | Orange | police | Fully Encrypted |
| Winter Park Police | FL | Orange | police | Fully Encrypted |
| City of Georgetown | TX | Williamson | other | Fully Encrypted |
| City of Hutto | TX | Williamson | other | Fully Encrypted |
| City of Kerrville | TX | Kerr | other | Fully Encrypted |
| City of Laredo | TX | Webb | other | Fully Encrypted |
| City of Leander | TX | Williamson | other | Fully Encrypted |
| City of McKinney | TX | Collin | other | Fully Encrypted |
| City of Odessa | TX | Ector | other | Fully Encrypted |
| City of Taylor | TX | Williamson | other | Fully Encrypted |
| City of Texarkana | TX | Bowie | other | Tactical Only |
| EMT Ambulance, Inc | OH | Multi | ems | Fully Encrypted |
| Findlay Police | OH | Hancock | police | Fully Encrypted |
| Strongsville Police | OH | Cuyahoga | police | Fully Encrypted |
Showing first 100 of 206 agencies. Use state pages to browse all agencies.
What This Means for Transparency
Not Publicly Accessible
P25 DES-OFB encryption cannot be decoded with consumer radio equipment. 206 agencies using this standard have effectively blocked public access to their radio communications.
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